由兰州西固光明自控设备厂研制的AX Ⅱ起重机吊钩多功能安全装置,近日获国家专利。 这种安全装置利用光、声、电原理,集吊钧正常上限位自动停止、超上限位报警、危险高位强行断电、吊钩高度自动显示,装置运行状态自动监测、下限位防反绕报警、强行断电后手动安全复位等功能于一 Developed by Lanzhou Xigu Light Control Equipment Factory AX Ⅱ crane hook multi-function safety device, recently won the national patent. This safety device uses the principle of light, sound and electricity. It sets the normal upper limit of crane hanging to stop automatically, the upper limit alarm, the dangerous high power forcibly, the height of hook automatically displays, the device running status is automatically monitored and the lower limit anti-reverse alarm , Forced power-off after manual safety reset function in one